20178587296

素因数分解:

$2^5\times 7^2\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{2797}}^1$

素因数の和:2971

約数の個数: 144

約数和(自身を含む): 47746280736

約数和(自身を除く): 27567693440

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 49, 56, 86, 98, 107, 112, 172, 196, 214, 224, 301, 344, 392, 428, 602, 688, 749, 784, 856, 1204, 1376, 1498, 1568, 1712, 2107, 2408, 2797, 2996, 3424, 4214, 4601, 4816, 5243, 5594, 5992, 8428, 9202, 9632, 10486, 11188, 11984, 16856, 18404, 19579, 20972, 22376, 23968, 32207, 33712, 36808, 39158, 41944, 44752, 64414, 67424, 73616, 78316, 83888, 89504, 120271, 128828, 137053, 147232, 156632, 167776, 225449, 240542, 257656, 274106, 299279, 313264, 450898, 481084, 515312, 548212, 598558, 626528, 841897, 901796, 962168, 1030624, 1096424, 1197116, 1683794, 1803592, 1924336, 2094953, 2192848, 2394232, 3367588, 3607184, 3848672, 4189906, 4385696, 4788464, 5893279, 6735176, 7214368, 8379812, 9576928, 11786558, 12868997, 13470352, 14664671, 16759624, 23573116, 25737994, 26940704, 29329342, 33519248, 47146232, 51475988, 58658684, 67038496, 90082979, 94292464, 102951976, 117317368, 180165958, 188584928, 205903952, 234634736, 360331916, 411807904, 469269472, 630580853, 720663832, 1261161706, 1441327664, 2522323412, 2882655328, 5044646824, 10089293648, 20178587296]

約数ペア:

[(1, 20178587296), (2, 10089293648), (4, 5044646824), (7, 2882655328), (8, 2522323412), (14, 1441327664), (16, 1261161706), (28, 720663832), (32, 630580853), (43, 469269472), (49, 411807904), (56, 360331916), (86, 234634736), (98, 205903952), (107, 188584928), (112, 180165958), (172, 117317368), (196, 102951976), (214, 94292464), (224, 90082979), (301, 67038496), (344, 58658684), (392, 51475988), (428, 47146232), (602, 33519248), (688, 29329342), (749, 26940704), (784, 25737994), (856, 23573116), (1204, 16759624), (1376, 14664671), (1498, 13470352), (1568, 12868997), (1712, 11786558), (2107, 9576928), (2408, 8379812), (2797, 7214368), (2996, 6735176), (3424, 5893279), (4214, 4788464), (4601, 4385696), (4816, 4189906), (5243, 3848672), (5594, 3607184), (5992, 3367588), (8428, 2394232), (9202, 2192848), (9632, 2094953), (10486, 1924336), (11188, 1803592), (11984, 1683794), (16856, 1197116), (18404, 1096424), (19579, 1030624), (20972, 962168), (22376, 901796), (23968, 841897), (32207, 626528), (33712, 598558), (36808, 548212), (39158, 515312), (41944, 481084), (44752, 450898), (64414, 313264), (67424, 299279), (73616, 274106), (78316, 257656), (83888, 240542), (89504, 225449), (120271, 167776), (128828, 156632), (137053, 147232)]